Greenberg: Cubs need to cut Big Z loose

CHICAGO -- So, I was talking to Carlos the other day in the Cubs clubhouse, and the subject was culture.

At the trade deadline, he had talked about how the team needed to change its culture, and I thought it was something worth following up.

What did he mean exactly? Culture is kind of an amorphous buzzword, isn't it? Should they fire everyone, or just change the yogurt machine?

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